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wavefront obj support

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This commit is contained in:
David Allemang
2017-02-27 03:40:54 -05:00
parent 6385f62e20
commit 7a187c346e
8 changed files with 470 additions and 49 deletions
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130
hexworld/HexRender.cs
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@@ -19,27 +19,31 @@ namespace hexworld
#region GLObjects
private Program _pgm;
private Program _jsonPgm;
private Program _objPgm;
private Texture _grass;
private Texture _stone;
private Texture _gray;
private GLBuffer<Tile> _tileGLBuffer;
private GLBuffer<Vertex> _vertexGLBuffer;
private GLBuffer<Tile> _tileBuffer;
private GLBuffer<Vertex> _vertexBuffer;
private GLBuffer<ObjVertex> _objBuffer;
protected override void OnClosed(EventArgs e)
{
base.OnClosed(e);
_pgm.Dispose();
_jsonPgm?.Dispose();
_objPgm?.Dispose();
_tileGLBuffer.Dispose();
_vertexGLBuffer.Dispose();
_tileBuffer?.Dispose();
_vertexBuffer?.Dispose();
_objBuffer?.Dispose();
_grass.Dispose();
_stone.Dispose();
_gray.Dispose();
_grass?.Dispose();
_stone?.Dispose();
_gray?.Dispose();
}
#endregion
@@ -50,13 +54,16 @@ namespace hexworld
private SubArray<Tile> _grassTiles;
private SubArray<Tile> _stoneTiles;
private SubArray<Tile> _grayTiles;
private SubArray<Tile> _tableTiles;
private Mesh<Vertex> _cubeMesh;
private Mesh<Vertex> _panelMesh;
private Mesh<Vertex> _sidesMesh;
private Mesh<ObjVertex> _objMesh;
private Tile[] _allTiles;
private Vertex[] _allVertices;
private ObjVertex[] _allObjVertices;
private double _time;
@@ -76,34 +83,54 @@ namespace hexworld
{
base.OnLoad(e);
var vsPath = @"res\s.vs.glsl";
var fsPath = @"res\s.fs.glsl";
using (var vs = Shader.FromFile(vsPath, ShaderType.VertexShader))
using (var fs = Shader.FromFile(fsPath, ShaderType.FragmentShader))
using (var vs = Shader.FromFile(@"res\s.vs.glsl", ShaderType.VertexShader))
using (var fs = Shader.FromFile(@"res\s.fs.glsl", ShaderType.FragmentShader))
{
if (!vs.Compiled | !fs.Compiled)
{
Debug.WriteLine("Failed to compile shaders:");
Debug.WriteLineIf(!vs.Compiled, $"Vertex Log:\n{vs.Log}");
Debug.WriteLineIf(!fs.Compiled, $"Fragment Log:\n{fs.Log}");
Debug.WriteLineIf(!vs.Compiled, $"Vertex Log ({vs.Id}):\n{vs.Log}");
Debug.WriteLineIf(!fs.Compiled, $"Fragment Log ({fs.Id}):\n{fs.Log}");
Exit();
return;
}
_pgm = Program.FromShaders(vs, fs);
_jsonPgm = Program.FromShaders(vs, fs);
if (!_pgm.Link())
if (!_jsonPgm.Link())
{
Debug.WriteLine($"Failed to link program:\n{_pgm.Log}");
Debug.WriteLine($"Failed to link program ({_jsonPgm.Id}):\n{_jsonPgm.Log}");
Exit();
return;
}
}
_cubeMesh = Mesh.FromJson<Vertex>(File.ReadAllText(@"res\data_vert_cubes.json"));
_panelMesh = Mesh.FromJson<Vertex>(File.ReadAllText(@"res\data_vert_panels.json"));
_sidesMesh = Mesh.FromJson<Vertex>(File.ReadAllText(@"res\data_vert_sides.json"));
using (var vs = Shader.FromFile(@"res\obj.vs.glsl", ShaderType.VertexShader))
using (var fs = Shader.FromFile(@"res\obj.fs.glsl", ShaderType.FragmentShader))
{
if (!vs.Compiled | !fs.Compiled)
{
Debug.WriteLine("Failed to compile shaders:");
Debug.WriteLineIf(!vs.Compiled, $"Vertex Log ({vs.Id}):\n{vs.Log}");
Debug.WriteLineIf(!fs.Compiled, $"Fragment Log ({fs.Id}):\n{fs.Log}");
Exit();
return;
}
_objPgm = Program.FromShaders(vs, fs);
if (!_objPgm.Link())
{
Debug.WriteLine($"Failed to link program ({_objPgm.Id}):\n{_jsonPgm.Log}");
Exit();
return;
}
}
_cubeMesh = Mesh.FromJson<Vertex>(@"res\data_vert_cubes.json");
_panelMesh = Mesh.FromJson<Vertex>(@"res\data_vert_panels.json");
_sidesMesh = Mesh.FromJson<Vertex>(@"res\data_vert_sides.json");
_objMesh = Mesh.FromObj(@"res\table.obj");
_grassTiles = new SubArray<Tile>(
JsonConvert.DeserializeObject<Tile[]>(File.ReadAllText(@"res\data_tile_grass.json")));
@@ -111,18 +138,21 @@ namespace hexworld
JsonConvert.DeserializeObject<Tile[]>(File.ReadAllText(@"res\data_tile_stone.json")));
_grayTiles = new SubArray<Tile>(
JsonConvert.DeserializeObject<Tile[]>(File.ReadAllText(@"res\data_tile_gray.json")));
_tableTiles = new SubArray<Tile>(
JsonConvert.DeserializeObject<Tile[]>(File.ReadAllText(@"res\data_tile_table.json")));
_allTiles = SubArray.Join(_stoneTiles, _grassTiles, _grayTiles, _tableTiles);
_tileBuffer = new GLBuffer<Tile>(BufferTarget.ArrayBuffer, BufferUsageHint.DynamicDraw);
_tileBuffer.Data(_allTiles);
_allTiles = SubArray.Join(_stoneTiles, _grassTiles, _grayTiles);
_allVertices = Mesh.Join(_panelMesh, _cubeMesh, _sidesMesh);
_vertexBuffer = new GLBuffer<Vertex>(BufferTarget.ArrayBuffer, BufferUsageHint.StaticDraw);
_vertexBuffer.Data(_allVertices);
_tileGLBuffer = new GLBuffer<Tile>(BufferTarget.ArrayBuffer, BufferUsageHint.DynamicDraw);
_tileGLBuffer.Data(_allTiles);
_vertexGLBuffer = new GLBuffer<Vertex>(BufferTarget.ArrayBuffer, BufferUsageHint.StaticDraw);
_vertexGLBuffer.Data(_allVertices);
_pgm.SetAttribPointers(_tileGLBuffer);
_pgm.SetAttribPointers(_vertexGLBuffer);
_allObjVertices = Mesh.Join(_objMesh);
_objBuffer = new GLBuffer<ObjVertex>(BufferTarget.ArrayBuffer);
_objBuffer.Data(_allObjVertices);
_grass = Texture.FromBitmap(new Bitmap(@"res\grass.png"));
_stone = Texture.FromBitmap(new Bitmap(@"res\stone.png"));
@@ -146,9 +176,9 @@ namespace hexworld
(float) (Math.Sin((_time + ti.Position.X - ti.Position.Y / 1.5) / 1.5) * .25);
}
_tileGLBuffer.SubData(_grassTiles);
_tileBuffer.SubData(_grassTiles);
_tileGLBuffer.Bind();
_tileBuffer.Bind();
GL.BufferSubData(BufferTarget.ArrayBuffer, (IntPtr) (5 * 3 * sizeof(float)),
(IntPtr) (16 * 3 * sizeof(float)), _grassTiles.ToArray());
}
@@ -166,33 +196,43 @@ namespace hexworld
GL.DepthFunc(DepthFunction.Lequal);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
GL.Enable(EnableCap.CullFace);
GL.CullFace(CullFaceMode.Back);
// GL.Enable(EnableCap.CullFace);
// GL.CullFace(CullFaceMode.Back);
_pgm.Use();
_jsonPgm.Use();
_jsonPgm.SetAttribPointers(_tileBuffer);
_jsonPgm.SetAttribPointers(_vertexBuffer);
_grass.Bind(0);
_stone.Bind(1);
_gray.Bind(2);
GL.Uniform1(_pgm.GetUniform("tex"), 0);
GL.UniformMatrix4(_pgm.GetUniform("view"), false, ref _view);
GL.UniformMatrix4(_pgm.GetUniform("proj"), false, ref _proj);
GL.Uniform1(_jsonPgm.GetUniform("tex"), 0);
GL.UniformMatrix4(_jsonPgm.GetUniform("view"), false, ref _view);
GL.UniformMatrix4(_jsonPgm.GetUniform("proj"), false, ref _proj);
_cubeMesh.DrawInstanced(_grassTiles);
GL.Uniform1(_pgm.GetUniform("tex"), 1);
GL.UniformMatrix4(_pgm.GetUniform("view"), false, ref _view);
GL.UniformMatrix4(_pgm.GetUniform("proj"), false, ref _proj);
GL.Uniform1(_jsonPgm.GetUniform("tex"), 1);
_panelMesh.DrawInstanced(_stoneTiles);
GL.Uniform1(_pgm.GetUniform("tex"), 2);
GL.UniformMatrix4(_pgm.GetUniform("view"), false, ref _view);
GL.UniformMatrix4(_pgm.GetUniform("proj"), false, ref _proj);
GL.Uniform1(_jsonPgm.GetUniform("tex"), 2);
_sidesMesh.DrawInstanced(_grayTiles);
_objPgm.Use();
_objPgm.SetAttribPointers(_tileBuffer);
_objPgm.SetAttribPointers(_objBuffer);
GL.Uniform1(_jsonPgm.GetUniform("tex"), 2);
GL.UniformMatrix4(_jsonPgm.GetUniform("view"), false, ref _view);
GL.UniformMatrix4(_jsonPgm.GetUniform("proj"), false, ref _proj);
_objMesh.DrawInstanced(_tableTiles);
SwapBuffers();
}
}